Winter Warm Men Women Heating Vest USB Infrared Flexible Outdoor Jacket Features: And new 3 file temperature control adjustment. What temperature do you want . Washable USB charger. Mobile phone, charging treasure, computer... can supply power Carbon fiber heating conductor, safe and energy saving,Heating up to 8 hours The weight of the product is about 450g light as feathers, and the inner clamp is pure to ensure that the temperature will not be lost. ,, warm, breathable, wear-resistant,-light, anti-, acid-proof. Description: Softness index: softer Fabric Name: Polyester Lining Ingredients: Polyester (Polyester) Main fabric composition: polyester fiber (polyester) Thickness: quilted Number of floors: three Voltage: 5V/USB interface Power supply: 5V. 2A Power bank: 8000MAH Snowman power supply: charging treasure or mobile phone charger rating: washable 1. the thermostat is connected to the power supply (battery), the red, blue and green lights flash once,press the button for 2 seconds to turn on, enter the preheat mode, the LED displays red, with breath flash,high-end output, output power, about 65 Celsius, 3 hours of use, automatically jump to mid-range 5 minutes of heating; 2. Mid-range, LED display blue, use 4 hours, about 55 degrees Celsius, output power 70%; 3. Low-end, LED display green, use 8 hours, about 45 degrees Celsius, output power 40%; 4. Click to the gear position, the third gear cycle, long press 2 seconds to shut down. Package Contents: 1X Heating Vest Size US UK EU Length Bust Hem Shoulder width Height XXXXXXL 20 24 50 75cm/29.53'' 140cm/55.12'' 132cm/51.97'' 52cm/20.47'' 180cm-195cm Size:XXXXXXL US:20 UK:24 EU:50 Length:75cm/29.53'' Bust:140cm/55.12'' Hem:132cm/51.97'' Shoulder width:52cm/20.47'' Height:180cm-195cm